Product Summary Guide

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1 Product Summary Guide OUR PRODUCTS Bright Mild Steel Black Carbon Bar High Tensile Alloy Case Hardening Alloy Tool Steel Stainless Bar Chrome Bar & Tube Hollow Bar Aluminium Bar Cast Iron Wire Bronze NATIONAL OFFICE Factory 2, 364 Darebin Road, Thornbury, VIC 3071 Telephone: Fax: STATE OFFICES - MELBOURNE Factory 2, 364 Darebin Road, Thornbury, VIC 3071 Telephone: Fax: sales@globalmetals.com.au SYDNEY Kellogg Road, Glendenning, NSW 2761 Telephone: Fax: sales@globalmetals.com.au BRISBANE 14A 96 Wilkie Street, Yeerongpilly, QLD 4105 Telephone: Fax: sales@globalmetals.com.au PERTH 51 Charles Street, Bentley, WA 6102 Telephone: Fax: sales@globalmetals.com.au ADELAIDE Grand Junction Road, Wingfield, SA 5013 Telephone: Fax: sales@globalmetals.com.au

2 STEEL & ALLOY SELECTOR CHART Black Carbon Steels Cast iron 1020 Low Carbon steel suitable for parts not requiring high strength. Typical ultimate tensile range Suitable for welded components C.20 P*.04 Mn.45 S*.04 Si.25 *max T250 Continuous cast iron bar free from casting shrinkage. Used for high speed machining. Applications include V-pulleys, gears and sprockets. C 3.25 P*.10 Mn.65 S*.20 Si 2.50 *max 1045 Medium carbon steel supplied as rolled with an ultimate tensile strength of Mpa. Suitable for flame or induction hardening C.45 P*.03 Mn.75 S*.035 Si.25 *max ST1 (SG) Ductile iron, the graphite occurs as spheroids. ST1 has higher strength and ductility compared to grey iron. Used for pump bodies and glands C 3.65 Mg².04 Mn*.20 P*.10 Si 2.75 *max Bright Steels 1020 Cold finished mild steel, easy to weld, easy to machine and can be case hardened. Min Tensile strength 410 Mpa Suitable for similar components as 1020 but requiring a slightly higher tensile strength. Can be welded. Not suitable for case hardening. Min Tensile strength 500 Mpa A fully killed medium carbon steel, designed for hardening and tempering to obtain mechanical properties. Min Tensile strength 600 Mpa. S1214 S12L14 Standard general purpose free machining steel, S1214 responds well to case hardening. Min Tensile strength 370 Mpa. Free-cutting steel with a lead addition to enhance machining characteristics. Ideal feedstock for bar automatics. Min Tensile strength 370 Mpa. Alloy Case Hardening Steels 8620/8620H Low Case Hardening Steel with strict analytical limits for production Case Hardened components such as automotive gears and bearing races. X3312 EN36A CrNiMo6 18CrNiMo7-6 X9315 EN39B A Case Hardening Steel that combines toughness of core with high case hardness after carburizing and quenching. Similar to EN36A - ideally suited to large gears requiring deep case depths. A high core strength Case Hardening Steel used in Highly stressed applications. Alloy High Tensile Steels 4140 Economical general purpose high tensile steel used for axles, pins, gears and light duty roll form sets Nickel, chromium and molybdenum high tensile high used for components requiring higher strength than X9931 EN25 X9940 EN26 CROMAX 280 CROMAX 42CrMo4 / 4140 CROMAX 482IH NiKrom 350 CROMAX TUBE Similar applications to 4340 and suitable for severe duties requiring strength and toughness in larger cross sections Suitable for applications requiring high tensile strength and where high surface pressures exist, such as heavy gears and shafts Chromium plated Steel (Cromax ) Micro alloyed base steel, ground and hard chromium plated. This medium tensile steel is easily welded and is suitable for hydraulic piston rods. Hardened & tempered high tensile based steel is used in the plating process. Typical tensile range N/mm² Ultimate. High core strength ultimate tensile strength base steel, induction case hardened 55RC minimum. Used for piston rods, pivot and bucket pins. Micro alloyed low carbon steel is used as base material. Has enhanced dual plating, a layer of corrosion resistant nickel substrate and a layer of hard chromium Starting material is a low carbon weldable steel of 20MnV6 type. Exhibits good combination of strength toughness. Excellent machinability and weldability. Limiting ruling section applies on diameter C.20 S*.05 Mn.45 P*.05 Si.35 *max C.30 S*.05 Mn.60 P*.05 Si*.35 *max C.45 S*.04 Mn.75 Si.25 P*.04 *max C*.15 S.30 Mn 1.00 P.06 Si*.10 *max C*.15 P.06 Mn 1.00 Pb.25 Si.10 S 0.30 *max C.20 Cr.50 Mn.80 Ni.50 Mo.20 Si.25 C.12 Cr.90 Mn.50 Si.25 Ni 3.20 C.18 Cr 1.65 Mn.50 Ni 1.55 Mo.30 Si.25 C.15 Cr 1.20 Mn.35 Ni 4.10 Mo.20 Si.25 C.40 Cr.90 Mn.80 Si.25 Mo.20 C.40 Cr.50 Mn.80 Ni 1.75 Mo.25 Si.25 C.30 Cr.65 Mn.60 Ni 2.50 Mo.55 Si.25 C.40 Cr.65 Mn.60 Ni 2.50 Mo.55 Si.25 C.18 S.025 Mn 1.55 V*.12 Si.35 *max C.42 Cr 1.05 Mn.80 Si.25 Mo.20 S.02 C.39 Cr*.03 Mn 1.20 Si.40 V.13 *max C.18 P.02 Mn 1.55 S.025 V.12 *max C.19 Si.35 Mn 1.50 S.02 V.11 LG2 MARKING AB1 PB1 Bronze General purpose leaded gunmetal. Excellent machining characteristics, medium strength and good pressure tightness. Used for bushings, bearings and light duty gears Alloy 954 is a high strength Aluminium bronze. A very hard abrasion resistant alloy, having excellent strength and wear resistance with reasonable machining properties. Suitable for high strength bearings. Phosphor bronze with good machining characteristics. High strength and good resistance to seawater and brine corrosion. Used for pump and valve components. Aluminium 2011 T4 A high mechanical strength alloy that machines exceptionally well. The excellent machining characteristics allow the production of complex and detailed parts An alloy produced to comply with current European Automotive & electrical standards. components which require good corrosion resistance, aesthetic finishes, and it can also be readily anodised 5083 H112 Exceptional performance in extreme environments. Highly resistant to attack by both seawater and industrial chemical environments. Material can be anodized to aid corrosion resistance T6 A versatile heat treatable extruded alloy with medium to high strength capabilities responds well to decorative and hard anodizing T6 High strength machined components used in aircraft, defence, toolmaking and motor sport. Can be hard anodized to increase its wear and corrosion resistance Cold Work Tool Steel 2379 / D2 Standard air hardening 12% chromium tool steel. An ideal selection for processing stock thickness up to 3mm. Used for press tools, shear blades and roll formers. Hot Work Alloys 2344 / H has excellent resistance to shock and softening as well as resistance to heat checking. Used for aluminium extrusion tools, die casting dies and plastic moulds. Stainless Steels 303 Free machining austenitic stainless. It is used where extensive machining is involved. 304 A general purpose austenitic stainless steel used for the food and chemical industries. 304L Low carbon variant of 304 type, minimises carbide precipitation during welding. Hence improved corrosion resistance and improved machinability quality. 316 Austenitic 18-8 stainless with molybdenum to enhance weldability and resistance to pitting corrosion. Recommended for marine and chemical equipment. Available in L grade and improved machinability quality. 316L 420C Low carbon variant of 316 more suitable for welding. High carbon Matensitic stainless. Used where higher tensile strength is required. Used for pump and valve parts. 431 Conc. T A high tensile stainless developed for pump shaft applications. Corrosion resistance is slightly lower than PH580 A precipitation hardening stainless with high strength after aging. Corrosion resistance and tensile strength. Excellent resistance to pitting and stress corrosion. Cu REM Pb 5.00 Sn 5.00 Zn 5.00 Cu* 86.0 Al 9.00 Fe 3.00 *min Cu REM Sn 11.0 Pb.25 Al REM Cu 5.5 Si*.40 Zn*.30 Fe*.70 *max Si 1.0 Mn 0.6 Cu 0.35 Bi 1.0 Mg 0.9 Al REM Cr 0.15 Mn.70 Si*.40 Mg 4.50 *max Al REM Cr 0.20 Cu.30 Si.60 Mg 1.00 Al REM Cr 0.23 Cu 1.60 Zn 5.60 Mg 2.5 C 1.55 V.90 Cr 12.0 Mo.80 C.39 Cr 1.90 Cr 5.25 Mo 1.35 C*.15 Ni 9.00 Cr 18.0 S.25 Mn* 2.00 *max C*.08 Ni 9.50 Cr 19.0 Mn 2.00 *max C*.03 Cr 19.0 Mn 2.00 Ni 10.0 *max C*.08 Cr 17.0 Mn* 2.00 Ni 12.0 Mo 2.5 *max C*.03 Cr 17.0 Mn* 2.00 Ni 12.0 Mo 2.50 *max C*.15 Cr 13.0 Mn* 1.00 Si* 1.00 *max C.15 C 16.0 Mn* 1.00 Ni 1.85 Si* 1.00 *max C*.07 Si* 1.0 Cu 4.00 Cr 16.0 Mn* 1.00 Nb.30 *max Hollow Bar 280 Carbon steel that has been micro alloyed and specially balanced to improve yield and tensile strength. Good machinability and weldability. 20MnV6 20MnV6 is a carbon-manganese steel micro alloyed with vanadium, generally supplied in the black hot rolled condition. A broader specification of For quenching and tempering. Good combination of strength and toughness. Restrictive weldability. C.18 S.03 Mn 1.50 Cr.25 Si.40 V.10 C.20 S.03 Mn 1.45 V.12 Si.25 C.40 Mo.20 Mn.85 Cr 1.00 Si is a duplex stainless with general localized and stress corrosion resistance properties in addition to high strength and excellent impact toughness CDS DOM Hydraulic cylinder tubes Produced from solid billet which is pierced, turned and drawn. CDS is produced to SAE 1026 for improved machability on sizes up to and including 9.5 OD over 9.5 produced to SAE 1020 Produced from strip and electric resistance welded, then cold drawn to size. SAE 1020 is usually used in small diameters below 10 gauge or thin wall steel tube. SAE 1026 is used for larger sizes C 0.03 Cr 22.0 Ni 5.5 Mo 3.0 Mn 2.00 Si 1.00 Melbourne Sydney Brisbane Perth adelaide (03) (02) (07) (08) (08) These specifications are for information purposes only. Global Metals takes no responsibility for the suitability of the steels referred to in this specification without prior notification. Global Metals takes no responsibility for any errors, omissions or any consequences resulting from its use.

3 HOLLOW BAR CHART Euro-Norm EN Ovako Hollow Bar Guaranteed Clean turned size* Euro-Norm Delivered size Approx Size CTS OD ID Kg/Metre Euro-Norm Delivered size Approx Size CTS OD ID Kg/Metre Euro-Norm Delivered size Approx Size CTS OD ID Kg/Metre Euro-Norm Delivered size Approx Size CTS OD ID Kg/Metre 30 / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / ** / / / / / / / / / / / / / / / / / / / / ** / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / ** / / / / / / / / / / / / / / / / / / / / / ** ** / / / / / / / / / / / / / / / / / / / / / / MnV6 Hollow Bar Nominal Nominal size Approx size Approx delivered Kg/Metre delivered Kg/Metre 254 / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / CHEMISTRY DESCRIPTION MECHANICAL PROPERTIES OVAKO 280 COLD ROLLED OVAKO 280 HOT ROLLED C% Si% Mn% P% S% Cr% Ni% Mo% Cu% V% Ca ppm Ti ppm O2 ppm N ppm Cold rolling improves strength and machinability compared to hot rolled tubes. Cold rolling provides greater dimensional accuracy. Hot rolled micro alloyed tubes for demanding applications. Hot rolled tubes are easy to weld and machine and can also be case hardened by carburising and quenching. YIELD STRESS U.T.S ELONGATION Min. Mpa Min. Mpa % wall > Mn V6 HOT ROLLED Hot rolled mechanical tube is available in larger dimensions and heavy wall thicknesses. It is fully weldable. < < < < Melbourne Sydney Brisbane Perth adelaide (03) (02) (07) (08) (08) *The guaranteed clean turned size for the Ovako range is applicable for finished lengths of 2.5 x OD up to 200mm diameter. For sizes with a diameter greater than 200mm, the guaranteed clean turned size is applicable for lengths up to 200mm. Global Metals Pty Ltd will not accept any responsibility for any loss or other damage to any person or company as a result of the use of information contained herein. Note the weights shown are approximate and are intended as a guide only. The sizes shown are indicative of the complete range manufactured. Some sizes may not be stocked and subject to a mill order. ** No Euro-norm size available.

4 CASE HARDENING STEEL SUMMARY OF GRADES CHEMICAL COMPOSITION GRADE TO AS C% Si% Mn% P% S% Cr% Mo% Ni% Low Case hardening steel with strict analytical limits for production case hardened parts such as automotive gears and bearing races. 8620H Same as The H guarantees hardenability. EN36A (655M13) An excellent general purpose case hardening steel combining good toughness of core and high case hardness after carburising and quenching. Jobbing gears, mining equipment, pins and bushes (17&18CrNiMo6) Similar applications to X3312 (EN36A) and is especially suited to larger gears requiring deep case depths. EN39B A high core strength case hardening steel. Used for highly stressed gears, pins and axles.

5 HIGH TENSILE STEEL SUMMARY OF GRADES Grade AISI/AST M A276 CHEMICAL COMPOSITION C% Si% Mn% P% S% Cr% Mo% Ni% N Mechanical properties Ultimate Tensile Strength *Limiting ruling section applies on diameter Mpa Bhn General purpose high tensile construction steel. Used for shafts, axles, studs and bolts, large gears and light duty form rolls Mpa Bhn Similar applications to 4140 but has the advantage of higher tensile strength, particularly in the heavy sections above 150mm. EN Mpa Bhn Suitable for high tensile applications where freedom from temper brittleness is necessary. Heavy drive shafts axles and gears. EN Mpa Bhn Similar to X9931, however, has higher carbon content. Suitable where high surface pressure exists. Gears axles and pinions. DESCRIPTION Alloy high tensile steels are primarily stocked in the hardened and tempered condition. The steels listed are in approximate order of increasing tensile strength in the sizes stocked. When selecting a high tensile steel, care must be given to the relevant ruling section for each grade. The tensile strength of each grade is generally reduced as diameter increases and lower tensiles are normal beyond quoted maximum ruling sections.

6 BRIGHT MILD STEEL SUMMARY OF GRADES Grade AISI/ASTM A276 Chemical Composition Limits Percent C Si Mn S P Pb mm under 16 TENSILE (N/mm2) mm APPROXIMATE MINMUM MECHANICAL PROPERTIES Cold Drawn mm ELONGATION % 5.65 So TENSILE mm under 16 mm mm Turned & Polished (N/mm) TO 260 ELONG N % 5.65 So MECHANICAL PROPERTIES NOT USUALLY REQUIRED (This grade is not included in AS1442) Low carbon steel with an excellent surface finish after cold rolling Cold finished mild steel for machined parts It can be case hardened, and welds readily Cold finished medium tensile steel for machined parts, shafts and medium stressed parts. Can be welded Medium tensile steel for shafts and studs requiring a 620 tensile. Steel responds to heat treatment Similar applications to 1040, steel is suitable for flame or induction heating. Steel can be welded with precautions A resulphurised steel for enhanced machinability. Used for fine machining work or parts requiring high cutting rates. Welding produces a low strength result. 12L Lead has been added to 1214 Grade to create the highest machinability and is suitable for high volume and high speed machining.

7 BLACK CARBON STEEL SUMMARY OF GRADES Grade Reference AS 1442 CHEMICAL COMPOSITION C% Si% Mn% P% S% 1020 Min Max General purpose low tensile, low hardenability carbon steel supplied in the black hot rolled condition. Good machinability with reasonable strength, ductility and weldability Min Max is a medium tensile, low hardenability carbon steel generally supplied in the black hot rolled condition. Used in engineering applications when better strength and impact properties than 1020 is a requirement and higher strength of the low alloy high tensile steels is not required. Typical tensile strength range and Brinell hardness range in either condition. Can be flame or induction hardened.

8 CROMAX SUMMARY OF GRADES CHEMICAL COMPOSITION % MECHANICAL PROPERTIES GRADE C Si Mn P S Cr Mo Ni V Ce Size mm Yield U.T.S Min. Elong n % min: Brinell Max < Cromax 280X max > Chrome plated (20um min) micro alloyed low carbon steel. It combines a unique combination of high yield strength with good machinability and weldability. Cromax 42CrMo4 (4140) < > Chrome plated (20um min) hardened and tempered high tensile base steel. Used when elevated strength is required in combination with high toughness. Cromax 482IH ALL Induction hardened based on a modern micro alloyed steel, which is characterised by high strength in the as rolled condition. The addition of an induction hardened layer makes this grade an ideal selection for heavy duty piston rods.

9 HOLLOW BAR SUMMARY OF GRADES GRADE CHEMICAL COMPOSITION LIMITS % C % Si % Mn % P S Cr Mo Ni V Ce Tensile Strength >25mm Mpa Min MECHANICAL PROPERTIES Yield Strength >25mm Mpa Min. Elongation A5 min. % approx. HB Impact Strength min at +20 C J OVAKO 280 Min Max Ovako 280 is equivalent to 20MnV6 carbon steel that has been micro alloyed and specially balanced to improve yield strength and ultimate tensile strength, yet maintaining good machinability and weldability. 20MnV6 (HR Cond.) Min Max MnV6 is a carbon-manganese steel micro alloyed with vanadium, generally supplied in the black hot rolled condition (H&T) Min Max is a steel for quenching and tempering, which has a good combination of strength and toughness. For general purpose use has a restrictive weldability. OVAKO 495 Min Max Ovako 495 is a high strength quench and tempering steel with high wear resistance, good toughness and good dimensional stability. The steel can be tempered at high temperatures and it is microalloyed to obtain a precipitation hardening effect.

10 STAINLESS STEEL SUMMARY OF GRADES Grade AISI/AST M A276 Chemical Composition Limits Percent C Si Mn Ni Cr Mo P S N Typical Mechanical Properties Yield Min. U.T.S Min. Elong n % in 50mm Min. Brinell Max. 304 Min Max is a general purpose 18/8 stainless steel with good strength and good atmospheric corrosion resistance. Most versatile and widely used of the 300 series. Used for food processing, architectural trim, brewing and oil refinery equipment. 304L Min Max L is a low carbon variant of 304. It is more suitable for welding. 316 Min Max An enhanced 18/8 stainless with 2-4% molybdenum for improved corrosion resistance. 316 contains higher levels of nickel and molybdenum improving its corrosion or pitting resistance values over L Min Max L is a low carbon variant of 316. More suitable for welding. NOTE In many cases these grades with a low carbon content are supplied as dual specification, i.e. 304/304L.

11 STAINLESS STEEL SUMMARY OF GRADES CONT. Grade AISI/ASTM A276 Chemical Composition Limits Percent C Si Mn Ni Cr Cu P S N Nb + Ta Typical Mechanical Properties Yield U.T.S Min. Elong n % in 50mm Min. Brinell Max. 420 Min Max max A martensitic 12% chromium stainless steel that can be hardened to 500 Brinell. Used in mildly corrosive conditions. Applications include moulds for PVC, pump, valve parts. 431 Cond. T Min Max max Usually supplied prehardened and tempered. It has superior corrosion resistance compared to 12% chromium martensitic stainless steel. Used for high tensile shafts, submersible pump shafts and valve parts. 630 Cond. (PH580) Min Max max A precipitation hardening grade (17-4PH) capable of obtaining a wide range of mechanical properties, depending on ageing temperature selected. Corrosion resistance is similar to 304 grade.

12 HARDNESS CONVERSION CHART* Rockwell 'C' Scale Diamond Pyramid Scale HV10 HV30 Brinell Tensile Stress Equivalents Scler Scope Dia. Imp. Carbide 1000lb/ for 10mm Tons/in2 kg/mm2 Ball in2 Ball (N/mm2) Number A scale Rockwell C scale Diamond Pyramid Scale HV10 HV

13 HARDNESS CONVERSION CHART* CONT. Rockwell 'C' Scale Diamond Pyramid Scale HV10 HV30 Brinell Tensile Stress Equivalents Scler Scope Dia. Imp. Carbide 1000lb/ for 10mm Tons/in2 kg/mm2 Ball in2 Ball (N/mm2) Number A scale Rockwell C scale Diamond Pyramid Scale HV10 HV30 'B' Scale B Scale t COMPARISON OF HARDNESS SCALES APPROX. ** AND TENSILE STRESS EQUIVALENTS APPROX. (MAXIMUM VALUE) IN IMPERIAL AND METRIC UNITS. * These charts were prepared using information contained in B.S.860/1967. This standard differs significantly from the superseded standard B.S. 860/1939, and differs slightly from the conversion scales adopted by SAE and ASTM sources. ** Where hardness acceptance values are specified and a conversion from one scale to another is necessary the source of the conversion data should be stated and understood by the parties involved.

14 ISO TOLERANCES The tolerances shown below are normally applied to metric sizes drawn, turned & ground finish bright steel bars ISO h-tolerances The total tolerance is taken as plus zero, minus the following; Nominal Sizes in mm h7 h8 h9 h10 h11 > 1 to > 3 to > 6 to > 10 to > 18 to > 30 to > 50 to > 80 to > 120 to > 180 to > 250 to ISO k-tolerances The total tolerance is taken as MINUS zero, PLUS the following; Nominal Sizes in mm k8 k9 k10 k11 k12 > 1 to > 3 to > 6 to > 10 to > 18 to > 30 to > 50 to > 80 to > 120 to > 180 to > 250 to TENSILE RANGE DESIGNATIONS FOR QUENCHED & TEMPERED HIGH TENSILE STEELS Mechanical property designation Tensile strength R S T U V W X Y Z 1550

15 RECOMMENDED MACHINING ALLOWANCES In selecting a feed stock bar size, it is recommended that the following allowances be added to the finish part size. Recommendations are for part lengths 4 times to diameter ratio. Longer components may require larger amounts of machining allowance. BLACK BARS Feed Stock Sizes mm HOT FINISHED Minimum allowance on diameter > > > > > > > > > > > > > > COLD SIZED BARS Feed stock sizes mm Minimum allowance on diameter > > > > > > PEELED BARS Feed stock sizes mm Minimum allowance on diameter > > > > > > >